Roller chain cleat



FIG. 1 is a top perspective view of a roller chain cleat showing the new design;

FIG. 2 is a right elevational view thereof with the left side being a mirror image;

FIG. 3 is an end elevational view thereof with the opposite end being a mirror image;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines shown in the drawings represent environmental structure which form no part of the claimed design. 

The ornamental design for a roller chain cleat, as shown and described. 